Q 300 g of water requires 30000 J of thermal energy to raise temperature from 25 C to 85 - Physics - Electromagnetic Induction

Question

Q   300   g   o f   w a t e r   r e q u i
r e s   30000   J   o f   t h e r m a l  
e n e r g y   t o   r a i s e   t e m p e r a t u r
e   f r o m   25 ° C   t o   85 ° C
  ,   h e a t   c a p a c i t y   o f   w
a t e r   i s A   100   J   K - 1 B   200
  J   K - 1 C   400   J   K - 1 D  
500   J   K - 1

Pintu B. · Accepted Answer

Dear
Student,

Heat energy required to raise the temperature=30000 Jheat energy imparted from 250C to 850C = mass of water ×specific heat capacity×fall in temperature⇒300×s×60oIf there is no loss in heat then,30000×m = 300×10-3×s×60o⇒s=30000×300×10-3300×10-3×60o=500 J/°CRegards

Q . 300 g o f w a t e r r e q u i r e s 30000 J o f t h e r m a l e n e r g y t o r a i s e t e m p e r a t u r e f r o m 25 ° C t o 85 ° C , h e a t c a p a c i t y o f w a t e r i s A 100 J K - 1 B 200 J K - 1 C 400 J K - 1 D 500 J K - 1

$Q . 300 g o f w a t e r r e q u i r e s 30000 J o f t h e r m a l e n e r g y t o r a i s e t e m p e r a t u r e f r o m 25 ° C t o 85 ° C, h e a t c a p a c i t y o f w a t e r i s (A) 100 J K - 1 (B) 200 J K - 1 (C) 400 J K - 1 (D) 500 J K - 1$